Functional constipation, intestinal obstruction and other diseases are considered to be the causes of inability to pass stools, which can be intervened according to the cause of the disease by changing life habits, medication and surgery as prescribed by the doctor. 1. Functional constipation: mostly caused by bad dietary habits, bad defecation habits and other factors, may appear inability to pass stool, defecation difficulties, anal pain and so on. It is recommended to increase water intake and increase the amount of roughage (e.g. oats, quinoa, etc.) as appropriate. If necessary, you can follow the doctor’s instructions to use drugs such as Keserol, lactulose, polyethylene glycol or go to the hospital for enema treatment. 2. Intestinal obstruction: It is an obstacle to the passage of intestinal contents caused by a variety of reasons, with clinical manifestations such as abdominal pain, vomiting and abdominal distension. Complete intestinal obstruction can stop the phenomenon of defecation. Gastrointestinal decompression and rehydration therapy should be carried out in time, and if necessary, surgery (such as simple relief surgery, intestinal resection and intestinal anastomosis, etc.) should be carried out to relieve the obstruction and restore intestinal patency. Patients with incompetent bowel should be treated according to different causes, and it is recommended to go to the hospital in time to find out the cause of the disease, and then carry out standardized treatment as soon as possible.